#CB3D40#CB3D40

#CB3D40 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.179 H 23.8°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#CB3D40
RGB	rgb(203, 61, 64)
HSL	hsl(359, 58%, 52%)
HSV	hsv(359, 70%, 80%)
CMYK	cmyk(0%, 70%, 68.5%, 20.4%)
CIE-LAB	lab(47.51, 55.87, 31.00)
CIE-LCH	lch(47.51, 63.89, 29.02°)
OKLab	oklab(56.9% 0.1635 0.0721)
OKLCH	oklch(56.9% 0.179 23.8)
XYZ	xyz(27.2257, 16.4082, 6.5830)
Luminance	0.1640 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3D40 #3DCBC8

analogous

#CB3D87 #CB3D40 #CB813D

triadic

#CB3D40 #40CB3D #3D40CB

tetradic

#CB3D40 #87CB3D #3DCBC8 #813DCB

square

#CB3D40 #87CB3D #3DCBC8 #813DCB

split-complementary

#CB3D40 #3DCB81 #3D87CB

monochromatic

#701E20 #A02B2D #CB3D40 #D86D70 #E59E9F

Accessibility & contrast

On white

4.91

#CB3D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CB3D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D40

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3D40	#FFFFFF	#000000	##FFFFFF
##CB3D40	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D3F

Deuteranopia (green-blind)

#887C3C

Tritanopia (blue-blind)

#DF0D40

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3d40;
/* rgb */ color: rgb(203, 61, 64);
/* oklch */ color: oklch(56.9% 0.179 23.8);

Tailwind

colors: {
  custom: {
    50: '#e37c75',
    500: '#cb3d40',
    950: '#000000',
  },
}

SCSS

$custom: #cb3d40;
$custom-light: #e37c75;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3d40",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 358.732,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56903,
    "c": 0.17868,
    "h": 23.8
  },
  "luminance": 0.16404
}

Semantic roles & 50–950 ramp

primary

#CB3D40

secondary

#93D1D0

accent

#E1DE47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3D40

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →